Philemon 1:9
Yet for love’s sake I rather beseech thee, being such an one as Paul the aged, and now also a prisoner of Jesus Christ.
Cross-reference
Philemon 1:1 also identifies Paul as a prisoner for Christ, reinforcing the same appeal from imprisonment here.
In verse 14, Paul explains his appeal aims for voluntary goodness, not compulsion — directly connected to his loving appeal here.
Ephesians 4:1 also calls himself 'a prisoner for the Lord' — same self-identification reinforcing his authority.
Acts 23:18 directly calls Paul 'the prisoner,' reinforcing the identity he claims when making his appeal.
2 Corinthians 11:23 boasts of 'far more imprisonments,' providing background to Paul's present imprisonment.
Acts 16:23 records Paul's beating and imprisonment in Philippi, a specific instance of the imprisonment he mentions in his appeal.
Ephesians 3:1 similarly identifies Paul as a prisoner for Christ, echoing his status in this appeal.
Romans 12:1 also begins with 'I appeal' (parakaleo), mirroring Paul's personal plea — both are exhortations grounded in God's mercies.
1 Peter 5:1, Peter appeals as a fellow elder — Paul appeals as 'the aged' (presbytes), both using age/authority.